| Description | Date | Identifier | |
| Testing and specifications for asbestos cord lagging on exhaust swan necks. | 6th May 1914 | Box 36 \ 3 scan 007 | |
| Experiment with asbestos covering on a rear exhaust pipe. | 8th May 1914 | Box 36 \ 3 scan 008 | |
| Application of asbestos covering on a rear exhaust pipe. | 13th May 1914 | Box 36 \ 3 scan 009 | |
| Lagging of a Swan Neck Silencer with asbestos cord, fitted to chassis 58NA. | 26th May 1914 | Box 36 \ 3 scan 010 | |
| Sample of a new woven asbestos lagging for exhaust pipe X.3003. | 10th Mar 1919 | Box 36 \ 3 scan 011 | |
| Reminder requesting reports on experiments with Ferodo bonnet brake material and woven asbestos exhaust lagging. | 20th May 1919 | Box 36 \ 3 scan 012 | |
| Request for a report on the value of special woven type asbestos cord for lapping exhaust pipes. | 24th Jun 1919 | Box 36 \ 3 scan 013 | |
| Lagging exhaust boxes with asbestos to reduce heat in the scuttle of the 40/50 chassis. | 22th Feb 1924 | Box 36 \ 3 scan 014 | |
| Recommendation to lag silencers with a new rustless material due to the poor durability of thin sheet aluminium. | 2nd Feb 1926 | Box 36 \ 3 scan 015 | |
| Causes and potential solutions for overheating in the interior of Phantom cars. | 14th Jul 1926 | Box 36 \ 3 scan 016 | |
| Suggestion to experimentally measure car floor temperature and identify the heat sources, such as the silencer and engine. | 5th Oct 1926 | Box 36 \ 3 scan 017 | |
| Modifications to the silencer to prevent heat affecting car bodies, specifically concerning the Phantom model. | 5th Oct 1926 | Box 36 \ 3 scan 018 | |
| Experiments carried out on the welding of sheet steel water jackets using different treatments and wire types. | 23th Apr 1926 | Box 36 \ 3 scan 019 | |
| The welding of sheet steel water jackets, specifically Sample 7. | 23th Apr 1926 | Box 36 \ 3 scan 020 | |
| Micro-examination and analytical report on samples of special welding wire. | 22th Apr 1926 | Box 36 \ 3 scan 021 | |
| Continuation of tests on aluminium alloys and proposing the use of Magnalium for specific components to achieve increased lightness. | 27th Apr 1917 | Box 36 \ 3 scan 022 | |
| Various alloys for crankchamber castings and pistons, including suggestions for future reports and testing. | 15th Feb 1916 | Box 36 \ 3 scan 023 | |
| The importance of specific gravity in piston alloy for achieving a more substantial or lighter piston design. | 15th Feb 1916 | Box 36 \ 3 scan 024 | |
| Inquiring about the availability, price, and potential uses of magnalium metal for engine components. | 2nd May 1917 | Box 36 \ 3 scan 025 | |
| Quotation from Metropolitan Foundry for the supply of magnalium alloy. | 3rd May 1917 | Box 36 \ 3 scan 026 | |
| Letter from a supplier regarding the supply of Magnálium Alloy, pending the release of Aluminium from the Ministry of Munitions. | 11th May 1917 | Box 36 \ 3 scan 027 | |
| Experiments with high-speed contact breakers and alternative magneto designs for aircraft engines. | 11th May 1917 | Box 36 \ 3 scan 028 | |
| Use of two-way or four-way cams and a stationary contact maker for a magneto. | 11th May 1917 | Box 36 \ 3 scan 029 | |
| Engine distributor and contact breaker troubles at high speeds. | 15th Feb 1916 | Box 36 \ 3 scan 030 | |
| Continued technical discussion on ignition system components like cams, magnetos, and distributors. | 15th Feb 1916 | Box 36 \ 3 scan 031 | |
| Requesting a report for Mr. Royce on the soundness and casting characteristics of Magnalium Metal. | 11th May 1917 | Box 36 \ 3 scan 032 | |
| Inquiries into the price, quantity, and casting characteristics of Magnalium metal. | 11th May 1917 | Box 36 \ 3 scan 033 | |
| Requesting a report on the comparative soundness and characteristics of Magnalium Metal versus crankchamber alloy. | 11th May 1917 | Box 36 \ 3 scan 034 | |
| Requesting information on the price and availability of Magnalium metal, as requested by Mr. Royce. | 11th May 1917 | Box 36 \ 3 scan 035 | |
| Upcoming improvements and modifications for the Eagle and Falcon engines. | 12th May 1917 | Box 36 \ 3 scan 036 | |
| Engine component updates and the comparative future of the Falcon and Eagle engines. | 16th Feb 1916 | Box 36 \ 3 scan 037 | |
| Manufacturing risks of Eagle versus Falcon engines and commenting on competitor engine issues. | 14th May 1917 | Box 36 \ 3 scan 038 | |
| The difficulty in obtaining genuine Magnalium metal. | 14th May 1917 | Box 36 \ 3 scan 039 | |
| Obtaining samples of Magnalium Metal from two different quotations for testing purposes. | 15th May 1917 | Box 36 \ 3 scan 040 | |
| Quotations and sample orders for Magnalium metal. | 15th May 1917 | Box 36 \ 3 scan 041 | |
| Series of material tests to be conducted on various aluminium alloys. | 15th May 1917 | Box 36 \ 3 scan 042 | |
| Comparing the price and properties of Magnalium alloy to other metals. | 16th May 1917 | Box 36 \ 3 scan 043 | |
| Note comparing the weight and specific gravity of different alloys (Magnalium and 2L5 Aluminium) for a bottom half crankcase. | 22th Jan 1917 | Box 36 \ 3 scan 044 | |
| Properties, weight, and casting characteristics of Magnalium metal for crankcases compared to other alloys. | 6th Jun 1917 | Box 36 \ 3 scan 045 | |
| Poor casting characteristics of magnalium alloy for complex parts like pistons. | 6th Jun 1917 | Box 36 \ 3 scan 046 | |
| To Mr. Mills regarding sourcing Magnalium Metal, potential suppliers and price concerns. | 6th Jun 1917 | Box 36 \ 3 scan 047 | |
| Sourcing, properties, and pricing of Magnalium Metal. | 2nd Jun 1917 | Box 36 \ 3 scan 048 | |
| Properties of a Magnalium alloy sample and the criteria for its use. | 9th Jun 1917 | Box 36 \ 3 scan 049 | |
| Receipt of a one cwt. sample of Magnalium Alloy. | 18th Jun 1917 | Box 36 \ 3 scan 050 | |
| Procurement and testing of Magnalium alloy samples from two foundries. | 21th Jun 1917 | Box 36 \ 3 scan 051 | |
| The receipt of a sample of Magnalium Metal from The Metropolitan Foundry. | 26th Jun 1917 | Box 36 \ 3 scan 052 | |
| 24 test pieces of Magnalium Metal sent to stores, requesting a number for an R.A.F. alloy. | 2nd Jul 1917 | Box 36 \ 3 scan 053 | |
| Tensile and casting tests for Magnallium metal and general light aluminium alloys. | 1st Jul 1917 | Box 36 \ 3 scan 054 | |
| Spanners E.6392, assigning it the experimental number X.3033. | 17th May 1917 | Box 36 \ 3 scan 055 | |
| Request to produce 12 spanners in C.V.S. material for testing and to issue an experimental number. | 17th May 1917 | Box 36 \ 3 scan 056 | |
| The testing of experimental spanners made from two different materials. | 31th May 1917 | Box 36 \ 3 scan 057 | |
| List of cancelled experiments. | 5th Jun 1918 | Box 36 \ 3 scan 058 | |
| Alterations to a water pump for 'Eagle' engines and the instruction of parts for an experimental engine. | 22th May 1917 | Box 36 \ 3 scan 059 | |
| Modification and dispatch of an Eagle & Falcon water pump to America. | 27th Jul 1917 | Box 36 \ 3 scan 060 | |
| Instruction to test and order new parts for the 'Eagle' engine water pump and connections. | 22th Aug 1917 | Box 36 \ 3 scan 061 | |
| Cancelling the instruction for parts E.14367/8 on 'Eagle' engines 1101 onwards, clarifying they were for the American engine only. | 24th Aug 1917 | Box 36 \ 3 scan 062 | |
| Test report on a modified water pump, changing from a two-bolt to a four-bolt flange, for the 'Eagle' experimental engine. | 1st Aug 1917 | Box 36 \ 3 scan 063 | |
| Modifications to water pumps for Eagle and Falcon engines. | 4th Aug 1917 | Box 36 \ 3 scan 064 | |
| To Mr. Clark about preparing components for water pump tests, including Venturi meters and rotors. | 5th Oct 1917 | Box 36 \ 3 scan 065 | |
| Conversion of an Experimental C2 engine to an Eagle 8 type, listing the incorporated experimental parts. | 5th Oct 1917 | Box 36 \ 3 scan 066 | |
| Comparing the weights of old and new type water pumps for the Eagle and Falcon engines. | 6th Oct 1917 | Box 36 \ 3 scan 067 | |
| Aero engine water pump experiments on various rotor types. | 16th Oct 1917 | Box 36 \ 3 scan 068 | |
| Alteration document for an improved type water pump with an improved locking device for the drain cock on Eagle and Falcon engines. | 31th Oct 1917 | Box 36 \ 3 scan 069 | |
| Request for the manufacture of new steel rotors for 'Eagle' water pumps for testing by Handley Page. | 24th Oct 1922 | Box 36 \ 3 scan 070 | |
| Request for data on heat carried away by engine cooling water to calculate heat-units per horsepower. | 27th Nov 1925 | Box 36 \ 3 scan 071 | |
| Eagle engine water flow and heat loss to cooling water. | 2nd Dec 1925 | Box 36 \ 3 scan 072 | |
| Eagle engine water pump performance and cooling, with a comparison to the Condor engine. | 2nd Dec 1925 | Box 36 \ 3 scan 073 | |
| Instructing die makers to alter a die for an 'Eagle' engine oil fitting, including a sketch with new dimensions. | 29th Jun 1917 | Box 36 \ 3 scan 074 | |
| Alteration notice for the R.R. Eagle engine, detailing changes to fittings, pipes, and oil flow design. | 30th Apr 1920 | Box 36 \ 3 scan 075 | |
| Blank page with a purple ink date stamp at the bottom. | 14th May 1920 | Box 36 \ 3 scan 076 | |
| Instruction to test modified magneto brackets for the 'Eagle' engine to determine the point of failure. | 7th May 1917 | Box 36 \ 3 scan 077 | |
| Follow-up on an undelivered order for Magneto Brackets with increased thickness. | 5th Oct 1917 | Box 36 \ 3 scan 078 | |
| Confirming Magneto Brackets have been fitted as standard since engine 901. | 9th Oct 1917 | Box 36 \ 3 scan 079 | |
| Series of tests to be conducted on various aluminium alloys. | 9th May 1917 | Box 36 \ 3 scan 080 | |
| Proposal for a scheme of mechanical tests to be carried out on various alloys, including specifications and diagrams for test pieces. | 9th May 1917 | Box 36 \ 3 scan 081 | |
| Instructions for specific gravity, Brinell, and porosity testing on alloy specimens. | 19th Jan 1917 | Box 36 \ 3 scan 082 | |
| Confirming instructions for tests on Aluminium Alloys. | 15th May 1917 | Box 36 \ 3 scan 083 | |
| Tests of Aluminium Alloys. | 17th May 1917 | Box 36 \ 3 scan 084 | |
| To Mr. Clark regarding 12 Miralite test pieces sent to Mr. Burdon for various tests. | 17th May 1917 | Box 36 \ 3 scan 085 | |
| The dispatch of 30 stamped test pieces to Mr. Purdon. | 19th May 1917 | Box 36 \ 3 scan 086 | |
| To Mr. Clark regarding 9 test pieces sent to Mr. Purdon, stamped H. | 24th May 1917 | Box 36 \ 3 scan 087 | |
| To Mr. Clark regarding tensile and Upton Lewis test pieces sent to Mr. Purdon. | 25th May 1917 | Box 36 \ 3 scan 088 | |
| Dispatch of stamped test pieces to Mr. Purdon. | 30th May 1917 | Box 36 \ 3 scan 089 | |
| Composition of various aluminium alloys for testing. | 23th Jun 1917 | Box 36 \ 3 scan 090 | |
| Stanton Test, Specific Gravity, and Brinell Hardness test results for various alloys. | 9th Mar 1917 | Box 36 \ 3 scan 091 | |
| Instructions and tabulated test results for Special Aluminium Alloys at various temperatures. | 25th Jun 1917 | Box 36 \ 3 scan 092 | |
| Table of test results for special aluminium alloys at various temperatures. | 28th Jun 1917 | Box 36 \ 3 scan 093 | |
| Instruction sheet detailing the chemical analysis of various alloys. | 25th Jun 1914 | Box 36 \ 3 scan 094 | |
| The results of tensile tests on aluminium alloys at various temperatures. | 28th Jun 1917 | Box 36 \ 3 scan 095 | |
| Table of tensile test results for various alloys at different temperatures. | 28th Jun 1917 | Box 36 \ 3 scan 096 | |
| Table detailing the chemical composition analysis of various alloys. | 29th Jun 1917 | Box 36 \ 3 scan 097 | |
| Testing protocol for a new aluminium alloy proposed by the R.A.F. | 29th Jun 1917 | Box 36 \ 3 scan 098 | |
| To Mr. Clark confirming the dispatch of stamped test pieces to Mr. Purdon. | 30th Jun 1917 | Box 36 \ 3 scan 099 | |
| Dispatch of 24 test pieces to stores and a request for an R.A.F. alloy number. | 2nd Jul 1917 | Box 36 \ 3 scan 100 | |
| Confirming the dispatch of 12 stamped test pieces to Mr. Coverley. | 4th Jul 1917 | Box 36 \ 3 scan 101 | |
| Sourcing Nichrome resistance wire for heating coils used in tensile tests of aluminium alloys. | 1st Jul 1917 | Box 36 \ 3 scan 102 | |
| Results of tensile tests on various aluminium alloys and their suitability for pistons. | 5th Jul 1917 | Box 36 \ 3 scan 103 | |
| Casting characteristics of various aluminium alloys and requesting a final report. | 6th Jul 1917 | Box 36 \ 3 scan 104 | |
| Inquiry to The Derby Corporation for the supply of Nichrome wire for electric resistance radiators. | 6th Jul 1917 | Box 36 \ 3 scan 105 | |
| Letter from the Electricity Supply Department in Derby regarding the availability of wire. | 7th Jul 1917 | Box 36 \ 3 scan 106 | |
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